Cap for a writing instrument



This application is related to co-pending, commonly assigned and concurrently filed U.S. Design patent application entitled: “Writing Instrument,” having application Ser. No. 29/134,239.

FIG. 1 is a perspective view of a cap for a writing instrument showing my new design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a right-side view of FIG. 1, the left-side view being a mirror image thereof;

FIG. 4 is a rear view of FIG. 1;

FIG. 5 is a top view of FIG. 1; and,

FIG. 6 is a bottom view of FIG. 1. 

The ornamental design for a cap for a writing instrument, as shown and described. 